28-08-2020
Mathematics

contestada

Three times the sum of 7 and a number is 24

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zarampa zarampa

01-09-2020

Answer:

The number is:

1

Step-by-step explanation:

3(7+a) = 24

3*7 + 3*a = 24

21 + 3a = 24

3a = 24 - 21

3a = 3

a = 3/3

a = 1

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